CVE-2024-4027

high Red Hat
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 43% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: January 30, 2026 (104 days ago)
Last Modified: January 30, 2026
Vendor: Red Hat

Description

A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack.

CWE

CWE-20

Affected Products

OpenShift ServerlessRed Hat build of Apache Camel 4 for Quarkus 3Red Hat build of Apache Camel for Spring Boot 3Red Hat build of Apache Camel for Spring Boot 4Red Hat build of Apache Camel - HawtIO 4Red Hat build of Apicurio Registry 2Red Hat Build of KeycloakRed Hat build of OptaPlanner 8Red Hat build of QuarkusRed Hat Data Grid 8

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov